van den Boom, Pieter P. G., and Harrie J. M. Sipman. “Foliicolous Lichens from Suriname and Guyana: New Records and Three New Species”. Folia Cryptogamica Estonica 53 (November 15, 2016): 101-110. Accessed January 27, 2021. https://ojs.utlib.ee/index.php/FCE/article/view/fce.2016.53.12.